Search results
Results from the WOW.Com Content Network
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
Users can switch carriers while keeping number and prefix (so prefixes are not tightly coupled to a specific carrier). 7 Claro 8: Instituto Costarricense de Electricidad (Kölbi) Croatia +385: 91: 9: A1 Hrvatska: Due to Mobile number portability the prefix of an existing number does not determine the carrier. Any new number will follow the ...
This is a very widely deployed switching system found in Italy, Germany, Belgium, Australia and many other countries around the world. There are a large number of versions of this type of switch ranging from local, to transit to international gateway to mobile switching centers. The line was converted with the E10 family of exchanges. OmniPCX ...
This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.These prefixes are typically required only when dialling from a landline, while in GSM-compliant mobile phone (cell phone) systems, the symbol + before the country code may be used irrespective of where the telephone is used at that moment; the network operator ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
In the North American Numbering Plan countries (country code 1), it is the first three digits of a seven-digit local phone number, the second three digits of the 3-3-4 scheme. In other countries, both the prefix and the number may have different lengths. It shows which exchange the remaining numbers refer to. A full telephone number is usually ...
When a subscriber dialed the number of a manual station, an operator at the destination office answered the call after seeing the number on an indicator, and connected the call by plugging a cord into the outgoing circuit and ringing the destination station. For example, if a dial customer calling from TAylor 4725 dialed a number served by a ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file